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5 Align then insert the activation key into the RAID activation key
connector on the mainboard. .
6 Replace the memory board air baffle.
7 Replace the PCI card.
8 Observe the post-installation instructions described on page 34.
RAID cache
The RAID cache serves as memory for the storage I/O processor and as a
disk cache to store write data to drives.
Removing the RAID cache
1 Observe the ESD precautions and pre-installation instructions
described on page 33.
2 Remove the memory boards or memory air baffles from DIMM
slots C and D. See “Cold Removal of Memory Board” on page 70
and “Removing a memory board air baffle” on page 42.
3 Press the holding clips on both sides of the slot outward to release
the RAID cache (A).
4 Gently pull the RAID cache upward to remove it from the slot (B).